Clean up Navigation Bar

[sannidhyaroy]

Is your feature request related to a problem? Please describe.
I think the navigation bar on the android app looks quite cluttered, because of five buttons present.

Describe the solution you'd like
Maybe just keep the essential buttons like Vault, Generator and Watchtower. Move the rest of the buttons under the three-dot menu, like how Trash and Downloads are there.

Describe alternatives you've considered
You could also keep the above mentioned three essential buttons and keep either the Sends or Settings. If I had to choose between these two, I'd say sends are rarely used, only a few people use it, and that too only a handful of times, so maybe move that under the three-dot menu.

Additional context
Here's the current design of the navigation bar:

And this is where the non-essential buttons could be moved to: